1.20 understand the term molar volume of a gas and use its values (24 dm3 and 24,000 cm3) at room temperature and pressure (rtp) in calculations.

MOLAR VOLUME OF A GAS:

- 1 mole of any gas is equal to 24 dm³ or 24,000 cm³ at room temperature (25'C) and pressure (1 atmosphere).
- Volume (dm³) = Moles of gas x 24
- Volume (dm³) = Mass of gas / Mr of gas x 24

REMEMBER DURING CALCULATIONS CONVERT cm³ TO dm³!!!!!

- For example:
What is the volume of 2 moles of chlorine?
Volume (dm³) = Moles of gas x 24
Volume (dm³) = 2 x 24 = 48 dm³